Home / 39,144.94-54,022.66-22,149.16

Finding the Fourth Proportional to 39,144.94, 54,022.66 and 22,149.16

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Solution

The fourth proportional to 39,144.94, 54,022.66 and 22,149.16 is: 30,567.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,144.94 : 54,022.66 = 22,149.16 : x
  2. Step 2: Convert to fraction form
    39,144.94/54,022.66 = 22,149.16/x
  3. Step 3: Cross multiply
    39,144.94x = 54,022.66 × 22,149.16
  4. Step 4: Simplify right side
    39,144.94x = 1,196,556,539.97
  5. Step 5: Solve for x
    x = 1,196,556,539.97/39,144.94
  6. Step 6: Final answer
    x = 30,567.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.